[v4,17/23] libcamera: software_isp: lut: Change default Gamma to 1.0/2.2
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Message ID 20251120233347.5046-18-bryan.odonoghue@linaro.org
State New
Headers show
Series
  • Add GLES 2.0 GPUISP to libcamera
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Commit Message

Bryan O'Donoghue Nov. 20, 2025, 11:33 p.m. UTC 
Change the default softisp Gamma from 0.5 to 1.0/2.2.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
---
 src/ipa/simple/algorithms/lut.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/src/ipa/simple/algorithms/lut.cpp b/src/ipa/simple/algorithms/lut.cpp
index 9aaab54f1..7f223e812 100644
--- a/src/ipa/simple/algorithms/lut.cpp
+++ b/src/ipa/simple/algorithms/lut.cpp
@@ -35,7 +35,7 @@  int Lut::configure(IPAContext &context,
 		   [[maybe_unused]] const IPAConfigInfo &configInfo)
 {
 	/* Gamma value is fixed */
-	context.configuration.gamma = 0.5;
+	context.configuration.gamma = 1.0/2.2;
 	context.activeState.knobs.contrast = std::optional<double>();
 	updateGammaTable(context);